AESC / LEAF Battery Modules Voltage Check

After a little month of charging and discharging these 3 AESC modules wires in series, the half modules - and modules too - are perfectly in balance ...  No BMS required at all ... Like for LiFePO4 ...

DIY ESS - One Year After Voltage Check

I have been using these 8 CALB CA180FI LiFePO4 cells over the last year with No BMS and they are still perfectly in balance ! They have been Bottom Balanced once and slightly under charged. Nothing more :-)

http://www.diyesskit.com




Special thanks to Clement for filming his dad's stuff 

Another LiFePO4 Cells Voltage Check, 6 months

After 6 months of charging and discharging almost everyday my ESS, the CALB CA180FI cells are still perfectly in balance, without any BMS ... Check out the video that prooves it, as usual ...

LiFePO4 Battery Bank / Solar Energy Storage System

In these 3 videos, I will present you the LiFePO4 Battery Bank / Solar Energy Storage System I am currently working on

Video 1/3:

Video 2/3:


Video 3/3:

LiFePO4 Cell Bottom Balancing Device - First try

Few weeks ago, after receiving my programmable dual relay digital voltmeter, I set up what Jack Rickard had showed us on EVTV, with an automobile 12V relay, some switches, and taking a 12V solar battery as a source of power

In the background you can see my former Enginer PHEV Prius kit, with their new BMS V4 

LiFePO4 Battery Pack Bottom Balancing Tool

A little video of my automatic bottom balance device